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Updated: May 6, 2026

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
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Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

Published on: January 31, 2019

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[Ventricular tachycardia : Treatment and prognostic significance]

Stephanie Fichtner1, Stefan Kääb

  • 1Medizinische Klinik und Poliklinik I, Klinikum Großhadern, Ludwig-Maximilians-Universität München, München, Deutschland, Stephanie.Fichtner@med.uni-muenchen.de.

Herzschrittmachertherapie & Elektrophysiologie
|November 1, 2013
PubMed

Insights

Dilative cardiomyopathy and hypertrophic cardiomyopathy increase sudden cardiac death risk. Advanced imaging and genetic testing can improve risk stratification for these heart conditions.

Area of Science:

  • Cardiology
  • Genetics
  • Medical Imaging

Context:

  • Dilative cardiomyopathy (DCM) affects 5-8/100,000 people; hypertrophic cardiomyopathy (HCM) affects 1/500.
  • Both DCM and HCM carry risks for sudden cardiac death (SCD).
  • Current risk stratification for intermediate-risk patients is insufficient, leading to suboptimal cardioverter-defibrillator (ICD) implantation and complications.

Purpose:

  • To explore advanced methods for improving risk stratification in patients with DCM and HCM.
  • To identify key risk factors for SCD in DCM and HCM.
  • To reduce unnecessary ICD implantations and associated complications.

Summary:

  • DCM SCD risk factors include reduced ejection fraction and physical capacity.
  • HCM SCD risk factors include family history, septum thickness >30mm, syncope, non-sustained VT, and inadequate blood pressure response during exercise.
  • Late enhancement cardiac MRI, genetic variation identification, and ECG characteristics can enhance risk stratification.

Impact:

  • Improved patient selection for ICD implantation, reducing device-related complications.
  • More accurate risk assessment for sudden cardiac death in cardiomyopathy patients.
  • Potential for personalized treatment strategies based on advanced risk stratification.

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